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The birth of antibiotics in 1928 means that infection lead to death came to an end. Peoples eyes began to foucs on a more fundamental problem, the causes of humans illness, aging and even death. In 50s,well-known American biochemist found in the study that causes of humans illness, aging, death is a reactive oxygen - free radicals.
Free radicals in the human body is always in excessive. That is the reasons that
each of us go through birth, old age, sickness and death. Scientists have found that in the 25-40 year-olds, free radicals attack the collagen system, case human skin reaxation, wrinkles, aging. In the 35-50 year-olds, free radical attack on the endocrine system, decline in sexual function. In the population over age 50, free radical attack on the cardiovascular system, cause varieties of cardio-cerebral vascular diseases, destroys the bodys health fundamentally.
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